Home / 1,340,270.52-1,849,573.23-728,424.66

Finding the Fourth Proportional to 1,340,270.52, 1,849,573.23 and 728,424.66

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Solution

The fourth proportional to 1,340,270.52, 1,849,573.23 and 728,424.66 is: 1,005,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,270.52 : 1,849,573.23 = 728,424.66 : x
  2. Step 2: Convert to fraction form
    1,340,270.52/1,849,573.23 = 728,424.66/x
  3. Step 3: Cross multiply
    1,340,270.52x = 1,849,573.23 × 728,424.66
  4. Step 4: Simplify right side
    1,340,270.52x = 1,347,274,751,207.85
  5. Step 5: Solve for x
    x = 1,347,274,751,207.85/1,340,270.52
  6. Step 6: Final answer
    x = 1,005,225.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.